🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.69 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.64

Radius: 0.84

Gravity: 0.91 G

Time & Orbit

Eccentricity (e): 0.139

Orbit Range: 0.59 AU - 0.79 AU

Year: 204 Days

Day: 28.8 Hours

Environment

Temp: 193 °C

Axial Tilt: 37.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.96 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.78

Radius: 1.26

Gravity: 1.12 G

Time & Orbit

Eccentricity (e): 0.205

Orbit Range: 0.76 AU - 1.16 AU

Year: 335 Days

Day: 44.6 Hours

Environment

Temp: 120 °C

Axial Tilt: 10 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 1.23 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.55

Radius: 0.79

Gravity: 0.88 G

Time & Orbit

Eccentricity (e): 0.235

Orbit Range: 0.94 AU - 1.52 AU

Year: 486 Days

Day: 18.9 Hours

Environment

Temp: 4 °C

Axial Tilt: 20.3 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (1)

Outer Limit: 118,544,391 km

• M1: 92,900 km (0.074 R)

Planet 4 - Terrestrial

Semi-Major Axis: 1.5 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.6

Radius: 1.67

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.21

Orbit Range: 1.19 AU - 1.82 AU

Year: 655 Days

Day: 34.3 Hours

Environment

Temp: -26 °C

Axial Tilt: 37 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 5 - Terrestrial

Semi-Major Axis: 1.91 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.22

Radius: 1.38

Gravity: 1.17 G

Time & Orbit

Eccentricity (e): 0.195

Orbit Range: 1.54 AU - 2.28 AU

Year: 941 Days

Day: 32.8 Hours

Environment

Temp: -47 °C

Axial Tilt: 6.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 3.66 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.58

Radius: 0.8

Gravity: 0.91 G

Time & Orbit

Eccentricity (e): 0.216

Orbit Range: 2.87 AU - 4.45 AU

Year: 2496 Days

Day: 36.4 Hours

Environment

Temp: -112 °C

Axial Tilt: 34.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 8.72 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Ice Giant

Semi-Major Axis: 13.78 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 131.2

Radius: 4.4

Gravity: 6.78 G

Time & Orbit

Eccentricity (e): 0.193

Orbit Range: 11.12 AU - 16.44 AU

Year: 18233 Days

Day: 20.3 Hours

Environment

Temp: -181 °C

Axial Tilt: 2.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 118,544,391 km

• M1: 54,753 km (0.115 R)
• M2: 290,968 km (0.116 R)
• M3: 778,507 km (0.05 R)
• M4: 1,716,636 km (0.059 R)
• M5: 2,140,746 km (0.097 R)
• M6: 2,404,935 km (0.047 R)
• M7: 3,306,263 km (0.089 R)
• M8: 5,202,565 km (0.062 R)
• M9: 5,517,618 km (0.104 R)
• M10: 9,494,678 km (0.039 R)
• M11: 12,946,948 km (0.092 R)
• M12: 13,233,876 km (0.115 R)
• M13: 14,485,263 km (0.109 R)
• M14: 15,619,065 km (0.044 R)
• M15: 15,878,916 km (0.107 R)
• M16: 18,709,906 km (0.104 R)
• M17: 20,669,489 km (0.114 R)
• M18: 20,825,669 km (0.093 R)
• M19: 23,944,635 km (0.111 R)
• M20: 27,173,855 km (0.115 R)
• M21: 29,382,069 km (0.067 R)
• M22: 32,438,204 km (0.111 R)

Planet 8 - Ice Giant

Semi-Major Axis: 15.01 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 920.8

Radius: 4

Gravity: 57.55 G

Time & Orbit

Eccentricity (e): 0.151

Orbit Range: 12.74 AU - 17.28 AU

Year: 20728 Days

Day: 19.2 Hours

Environment

Temp: -182 °C

Axial Tilt: 8.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 118,544,391 km

• M1: 49,966 km (0.08 R)
• M2: 217,665 km (0.102 R)
• M3: 369,806 km (0.067 R)
• M4: 526,435 km (0.108 R)
• M5: 667,655 km (0.117 R)
• M6: 1,095,505 km (0.049 R)
• M7: 1,817,764 km (0.07 R)
• M8: 2,488,411 km (0.101 R)
• M9: 2,635,166 km (0.091 R)
• M10: 3,138,563 km (0.056 R)
• M11: 6,788,602 km (0.1 R)
• M12: 6,931,318 km (0.105 R)
• M13: 8,199,459 km (0.105 R)
• M14: 9,145,367 km (0.101 R)
• M15: 9,378,141 km (0.111 R)
• M16: 10,474,544 km (0.104 R)
• M17: 11,317,677 km (0.092 R)
• M18: 11,858,474 km (0.098 R)
• M19: 11,996,253 km (0.089 R)
• M20: 12,701,607 km (0.113 R)
• M21: 13,211,437 km (0.085 R)
• M22: 13,886,871 km (0.081 R)
• M23: 14,271,936 km (0.065 R)
• M24: 15,469,916 km (0.118 R)
• M25: 15,717,351 km (0.067 R)
• M26: 19,272,544 km (0.115 R)
• M27: 21,134,738 km (0.113 R)
• M28: 26,249,490 km (0.078 R)
• M29: 29,784,338 km (0.09 R)
• M30: 33,212,074 km (0.083 R)
• M31: 39,289,338 km (0.113 R)
• M32: 43,563,498 km (0.088 R)
• M33: 51,724,511 km (0.085 R)
• M34: 69,632,124 km (0.106 R)
• M35: 82,190,716 km (0.081 R)
• M36: 83,448,086 km (0.06 R)

Planet 9 - Ice Giant

Semi-Major Axis: 20.42 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 957.8

Radius: 7.8

Gravity: 15.74 G

Time & Orbit

Eccentricity (e): 0.014

Orbit Range: 20.13 AU - 20.71 AU

Year: 32891 Days

Day: 16.8 Hours

Environment

Temp: -203 °C

Axial Tilt: 50 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 118,544,391 km

• M1: 96,939 km (0.109 R)
• M2: 429,047 km (0.076 R)
• M3: 847,023 km (0.067 R)
• M4: 1,358,199 km (0.108 R)
• M5: 2,480,632 km (0.056 R)
• M6: 2,985,824 km (0.119 R)
• M7: 3,295,043 km (0.069 R)
• M8: 5,088,871 km (0.072 R)
• M9: 6,909,178 km (0.103 R)
• M10: 7,677,662 km (0.05 R)
• M11: 8,685,802 km (0.04 R)
• M12: 14,814,228 km (0.09 R)
• M13: 15,171,019 km (0.102 R)
• M14: 15,533,495 km (0.108 R)
• M15: 16,465,041 km (0.108 R)
• M16: 18,336,809 km (0.115 R)
• M17: 19,911,327 km (0.091 R)
• M18: 20,898,224 km (0.093 R)
• M19: 22,969,257 km (0.059 R)
• M20: 26,850,275 km (0.102 R)
• M21: 27,380,898 km (0.113 R)
• M22: 29,014,806 km (0.086 R)
• M23: 34,929,906 km (0.117 R)
• M24: 35,721,578 km (0.072 R)
• M25: 39,177,438 km (0.051 R)
• M26: 43,211,195 km (0.061 R)
• M27: 51,683,222 km (0.079 R)
• M28: 61,198,095 km (0.092 R)
• M29: 68,068,826 km (0.072 R)
• M30: 68,560,704 km (0.092 R)
• M31: 72,838,455 km (0.041 R)
• M32: 82,477,944 km (0.098 R)
• M33: 95,678,609 km (0.052 R)
• M34: 102,615,911 km (0.113 R)
• M35: 104,891,744 km (0.093 R)
• M36: 105,548,030 km (0.112 R)
• M37: 106,868,829 km (0.039 R)
• M38: 109,206,894 km (0.09 R)
• M39: 111,578,769 km (0.1 R)

Kuiper Belt

Range: 30.8 - 53.8 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 510 - 18,342 AU

Composition

Type: Cometary Reservoir

System's final boundary, containing trillions of icy planetesimals.

Gravitational Limit